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How Nurture Affects Nature

November 15, 2017

Policymakers often debate the merits of programs to change decision-making and behavior, wondering if they have enough bang for the buck. Now there is research showing that the choices people make affect us all the way down to the genetic level, and can even influence the biology of our offspring. Epigenetics is a relatively new field that is illuminating how genes and environment interact. It has changed the nature-versus-nurture debate, replacing it with the understanding

Why “Just Say No” Programs Don’t Prevent Alcohol Misuse

September 21st, 2017

Youth programs with a “just say no” approach to preventing substance use have proven largely ineffective. Researchers have known this for over a decade, but now studies are helping to explain why. Alcohol misuse results from a complex interplay of genetic, environmental, and developmental factors, those studies find. There is no one reason problems develop “and no one-size-fits all solution to solving them,” according to Jeanne Savage and colleagues in a review

Should you give your child a time-out? It depends

July 27, 2017

One of the hardest parts of being a parent or teacher is dealing with behavior problems. Tantrums, aggression, and oppositional behaviors are painful for everyone involved, and when they are persistent, they increase a child’s risk of long-term consequences like mental health disorders, special education placements, and problems with peer relationships.

Part of the problem is that “unfortunately, parents and teachers are often woefully unprepared for effectively

What We Don’t Know Can Hurt Us: Toxic Chemicals, Science, and Policy

June 21st, 2017

Environmental protection is the subject of heated debate these days. In February of this year, President Trump signed an executive order to roll back the clean water rule, which limits corporations’ ability to pollute about 60% of U.S. waterways. The irony is that we know more than ever before about how toxic chemicals adversely affect people, and we can be certain that what we don’t yet know can hurt us. Scientific research on potential chemical contaminants is both